The net result for the period of deducting operating expenses from operating revenues.

CVS Health Corp.’s operating income as a percentage of revenues from customers decreased from 2017 to 2018 but then increased from 2018 to 2019 not reaching 2017 level.

Income before income tax provision

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

CVS Health Corp.’s income before income tax provision as a percentage of revenues from customers decreased from 2017 to 2018 but then increased from 2018 to 2019 not reaching 2017 level.

Net income (loss) attributable to CVS Health

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

CVS Health Corp.’s net income (loss) attributable to CVS Health as a percentage of revenues from customers decreased from 2017 to 2018 but then increased from 2018 to 2019 not reaching 2017 level.